Portfolio · Mobile app

One OS — an entire institute, running inside one app.

Not an attendance app. Not an LMS. One OS is a complete Institute Operating System that tracks a student's whole journey — admission to career — and it was designed, architected and built by one person, with AI.

The story

Paper registers, WhatsApp groups, Excel sheets — replaced.

Running my own classes showed me the mess every institute lives with: attendance in registers, fees in Excel, syllabus on paper, tests made by hand, parents in the dark, and no proof of what was actually taught. Software for this exists — but it's built by vendors who never ran a classroom.

One OS was designed from the inside. Every rule in it — GPS attendance within 50 metres, one student one device, tests that grade themselves, topics that students digitally sign like the old paper register — exists because a real institute needed it.

The entire system — 40+ database tables, six role-based apps, hundreds of security policies — was built by me with AI, using the same vibe-coding method I teach.

📱

One OS at a glance

  • Full journey: admission → career
  • 6 apps: student, teacher, counsellor, lab, manager, owner
  • 40+ tables, bank-grade row-level security
  • GPS + biometric attendance, device binding
  • Auto weekly tests with hidden answer keys
  • Fees, EMIs, receipts, CRM & placements
Inside the system

Features that vendors don't even think of.

📍

Attendance that can't lie

  • GPS-locked to the institute (50 m radius)
  • Fingerprint / Face ID verification
  • Auto check-in/out by geofence — even app-closed
  • Fake-GPS & rooted-device detection
📖

A syllabus with proof

  • Day-wise syllabus, TH-1 / PR-1 style
  • Teacher picks today's topics at class start
  • Students confirm/deny — a digital signature
  • Majority-deny = topic not counted. Honest.
📝

Tests on autopilot

  • Weekly tests generate themselves every Friday
  • Questions only from topics actually taught
  • Answer keys hidden even from the database reader
  • Server-side grading, ranks & results in-app
🏦

The business side

  • Leads, counselling calls & follow-ups (CRM)
  • Fees, EMI plans, auto receipt numbers
  • Staff payroll presence & class-conduct logs
  • Internships, freelancing & placement tracking
👨‍👩‍👧

Parents see everything

  • Guardian app view: in/out times, results
  • Class delayed/cancelled? Instant notification
  • Duty-of-care presence log at the institute
🔐

Security first

  • Row-level security on every table
  • 1 student = 1 device, OTP + approvals to change
  • Immutable audit logs — nothing deletes silently
  • Mobile-OTP login, PIN + biometric daily unlock
Why it matters

One person. One AI. A whole ERP.

Systems like this are normally built by software companies with teams of developers and year-long contracts. One OS was built by one person who understood the problem, working with AI — proof of what the Vibe Coding method can ship. It runs my institute every single day: classes, tests, fees, parents, placements.

Want software like this for your business — or want to build it yourself?

Both start with one conversation.